Definition of pyrrhotite in English:

pyrrhotite

Syllabification: pyr·rho·tite
Pronunciation: /ˈpirəˌtīt
 
/

noun

A reddish-bronze mineral consisting of iron sulfide, typically forming massive or granular deposits.
More example sentences
  • Microcrystals of pyrrhotite, goethite, pyrite, galena, and calcite are found on the dumps.
  • We have also seen several specimens in which pyrite has replaced a hexagonal mineral that was probably pyrrhotite.
  • Secondary titanite, chlorite, white mica and pyrrhotite are abundant, and some samples contain metamorphic biotite.

Origin

mid 19th century: from Greek purrhotēs 'redness' + -ite1.

Definition of pyrrhotite in:

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Word of the day apposite
Pronunciation: ˈapəzit
adjective
apt in the circumstances or relation to something